Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, labeled with iodine-131, sodium salt (1:2)
CAS Registry Number®
15251-14-6
CAS Name
Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, labeled with iodine-131, sodium salt (1:2)Molecular Formula
C20H4Cl4I4O5.2NaCite this Page
Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, labeled with iodine-131, sodium salt (1:2). CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=50291-21-9 (retrieved ) (CAS RN: 15251-14-6). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Other Names and Identifiers
Other Names for this Substance
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, labeled with iodine-131, sodium salt (1:2)
- Fluorescein, 4,5,6,7-tetrachloro-2′,4′,5′,7′-tetraiodo-, disodium salt, labeled with I-131
- Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3′,6′-dihydroxy-2′,4′,5′,7′-tetraiodo-, labeled with iodine-131, disodium salt
- Fluorescein, 4,5,6,7-tetrachloro-2′,4′,5′,7′-tetraiodo-, disodium salt, labeled with 131I
- Rose bengal (131I) sodium
Deleted or Replaced CAS Registry Numbers
17280-58-9, 24916-55-0, 50291-21-9
